Slideshow Cube Wallpaper (com.makarovsoftware.android.cubeslideshow) on Google Play
WhoIs for 'makarovsoftware.com'
Nice rotating cube on your screen, with pictures or photos from phone gallery (camera and others) and pictures from Picasa web collection.Your can select folders to show on cube and enable/disable local folders or Picasa.Has feature to download images from Picasa. Select any tag and it will get images with that tag.